import axios from 'axios'
import {MessageBox, Message} from 'element-ui'
import store from '@/store'
import {getToken} from '@/utils/auth'
import {isArray} from "@/utils/validate";

// create an axios instance
const service = axios.create({
    baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
    // withCredentials: true, // send cookies when cross-domain requests
    timeout: 60000 // request timeout
})

// request interceptor
service.interceptors.request.use(
    config => {
        // do something before request is sent

        if (store.getters.token) {
            // let each request carry token
            // ['X-Token'] is a custom headers key
            // please modify it according to the actual situation
            config.headers['X-Token'] = getToken()
        }
        config.headers['source'] = 5
        return config
    },
    error => {
        // do something with request error
        return Promise.reject(error)
    }
)

// response interceptor
service.interceptors.response.use(
    /**
     * If you want to get http information such as headers or status
     * Please return  response => response
     */

    /**
     * Determine the request status by custom code
     * Here is just an example
     * You can also judge the status by HTTP Status Code
     */
    response => {
        if (Array.isArray(response.data)) {
            return response.data
        }

        const res = response.data

        // if the custom code is not 20000, it is judged as an error.
        if (res.code !== 0) {
            Message({
                message: res.message || 'Error',
                type: 'error',
                duration: 5 * 1000
            })

            // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
            if (res.code === -2) {
                store.dispatch('user/logout').then(() => {
                    location.reload()
                })
            }
            return Promise.reject(new Error(res.message || 'Error'))
        } else {
            if (!res.data && res.message) {
                Message({
                    message: res.message,
                    type: 'success'
                })
            }

            if(res.refreshToken){
                store.dispatch('user/refreshToken', res.refreshToken)
            }

            return res.data
        }
    },
    error => {
        Message({
            message: error.message,
            type: 'error',
            duration: 5 * 1000
        })
        return Promise.reject(error)
    }
)

export default service
